diff --git a/src/testdir/test86.ok b/src/testdir/test86.ok
index a4f1ac4..05d1943 100644
--- a/src/testdir/test86.ok
+++ b/src/testdir/test86.ok
@@ -444,7 +444,7 @@
 sys.stdout.write(None):TypeError:('coercing to Unicode: need string or buffer, NoneType found',)
 >> OutputWriteLines
 sys.stdout.writelines(None):TypeError:("'NoneType' object is not iterable",)
-sys.stdout.writelines([1]):TypeError:('writelines() requires list of strings',)
+sys.stdout.writelines([1]):TypeError:('coercing to Unicode: need string or buffer, int found',)
 > VimCommand
 vim.command(1):TypeError:('must be string, not int',)
 > VimToPython
diff --git a/src/testdir/test87.ok b/src/testdir/test87.ok
index 1d40445..414dc9e 100644
--- a/src/testdir/test87.ok
+++ b/src/testdir/test87.ok
@@ -433,7 +433,7 @@
 sys.stdout.write(None):(<class 'TypeError'>, TypeError("Can't convert 'NoneType' object to str implicitly",))
 >> OutputWriteLines
 sys.stdout.writelines(None):(<class 'TypeError'>, TypeError("'NoneType' object is not iterable",))
-sys.stdout.writelines([1]):(<class 'TypeError'>, TypeError('writelines() requires list of strings',))
+sys.stdout.writelines([1]):(<class 'TypeError'>, TypeError("Can't convert 'int' object to str implicitly",))
 >>> Testing *Iter* using sys.stdout.writelines(%s)
 sys.stdout.writelines(FailingIter()):(<class 'NotImplementedError'>, NotImplementedError())
 sys.stdout.writelines(FailingIterNext()):(<class 'NotImplementedError'>, NotImplementedError())